Github user ramkrish86 commented on a diff in the pull request:
https://github.com/apache/phoenix/pull/8#discussion_r16765176
--- Diff:
phoenix-core/src/main/java/org/apache/phoenix/schema/MetaDataClient.java ---
@@ -461,6 +471,57 @@ public MutationState createTable(CreateTableStatement
statement, byte[][] splits
MutationPlan plan =
compiler.compile(Collections.singletonList(tableRef), emptyCF, null, null,
tableRef.getTimeStamp());
return connection.getQueryServices().updateData(plan);
}
+
+ public MutationState updateStatistics(UpdateStatisticsStatement
updateStatisticsStmt) throws SQLException {
+ String tableName =
updateStatisticsStmt.getTable().getName().getTableName();
+ HTableInterface ht = null;
+ byte[] tenIdBytes = QueryConstants.EMPTY_BYTE_ARRAY;
+ if (connection.getTenantId() != null) {
+ tenIdBytes = connection.getTenantId().getBytes();
+ }
+ byte[] schNameInBytes = QueryConstants.EMPTY_BYTE_ARRAY;
+ if (connection.getSchema() != null) {
+ schNameInBytes = Bytes.toBytes(connection.getSchema());
+ }
+ final byte[] tenantIdBytes = tenIdBytes;
+ final byte[] schemaNameInBytes = schNameInBytes;
+ try {
+ ht =
connection.getQueryServices().getTable(Bytes.toBytes(tableName));
+ Batch.Call<StatCollectService, StatCollectResponse> callable =
new Batch.Call<StatCollectService, StatCollectResponse>() {
+ ServerRpcController controller = new ServerRpcController();
+ BlockingRpcCallback<StatCollectResponse> rpcCallback = new
BlockingRpcCallback<StatCollectResponse>();
+
+ @Override
+ public StatCollectResponse call(StatCollectService
service) throws IOException {
+ StatCollectRequest.Builder builder =
StatCollectRequest.newBuilder();
+
builder.setTenantIdBytes(HBaseZeroCopyByteString.wrap(tenantIdBytes));
+
builder.setSchemaNameBytes(HBaseZeroCopyByteString.wrap(schemaNameInBytes));
+ service.collectStat(controller, builder.build(),
rpcCallback);
+ if (controller.getFailedOn() != null) { throw
controller.getFailedOn(); }
+ return rpcCallback.get();
+ }
+ };
+ Map<byte[], StatCollectResponse> result =
ht.coprocessorService(StatCollectService.class,
+ HConstants.EMPTY_BYTE_ARRAY,
HConstants.EMPTY_BYTE_ARRAY, callable);
+ StatCollectResponse next = result.values().iterator().next();
+ long rowsScanned = next.getRowsScanned();
+ return new MutationState((int)rowsScanned, connection);
+ } catch (ServiceException e) {
+ throw new SQLException("Unable to update the statistics for
the table " + tableName, e);
+ } catch (TableNotFoundException e) {
+ throw new SQLException("Table not found " + tableName, e);
--- End diff --
Ok
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